Display screen or portion thereof with graphical user interface



FIG. 1 is a front view of a display screen or portion thereof withgraphical user interface, showing our new design; and,

FIG. 2 is a front view thereof, in which a display device in brokenlines is provided to illustrate an example environment.

The broken line perimeter in FIG. 1 represents both the boundaries ofthe display screen and the graphical user interface. In FIG. 1, thisouter edge of the portion of the display screen is understood to becongruent with the outer edge of the graphical user interface.

The broken lines shown in the drawings illustrate portions of thedisplay screen or portion thereof with graphical user interface and anenvironmental mobile terminal that forms no part of the claimed design.

CLAIM The ornamental design for a display screen or portion thereof withgraphical user interface, as shown and described.